Hydraulics And Fluid Mechanics Set 20

Civil Engineering

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This set of Hydraulics and Fluid Mechanics Multiple Choice Questions & Answers (MCQs) focuses on Hydraulics And Fluid Mechanics Set 20

Q1 | Gauge pressure at a point is equal to the absolute pressure
Q2 | A vertical wall is subjected to a pressure due to one kind of liquid, on one of its sides. The total pressure on the wall acts at a distance
Q3 | A weir, generally, used as a spillway of a dam is
Q4 | The ratio of the inertia force to the
Q5 | One litre of water occupies a volume of
Q6 | The density of air is same at different heights.
Q7 | The maximum discharge over a broad crested weir is
Q8 | The centre of pressure acts
Q9 | The coefficient of discharge is the ratio of theoretical discharge to the actual discharge through an orifice.
Q10 | When a vertical wall is subjected to pressures due to liquid on both sides, the resultant pressure is the
Q11 | In the manufacturing of lead shots, the property of surface tension is utilised.
Q12 | If a body floating in a liquid does not return back to its original position, and heels farther away when given a small angular displacement, the body is said to be in neutral equilibrium.
Q13 | The total pressure on the bottom of a closed cylindrical vessel completely filled up with a liquid is the sum of the total centrifugal pressure and the weight of the liquid in the vessel
Q14 | A body floating in a liquid is said to be in a stable equilibrium, if its metacentre coincides with its centre of gravity.
Q15 | The body will float if the force of buoyancy is
Q16 | All the gases are considered to have compressible flow and all the liquids are considered to have incompressible flow.
Q17 | When the venturimeter is inclined, then for a given flow it will show
Q18 | With an increase in size of tube, the rise or depression of liquid in the tube due to surface tension will
Q19 | When the Mach number is equal to unity, the flow is called sonic flow.
Q20 | A submerged body is said to be in a stable equilibrium, if its centre of gravity
Q21 | If a pitot tube is placed with its nose upstream, downstream or sideways, the reading will be the same in every case.
Q22 | The weight per unit volume of a liquid at a standard temperature and pressure is called
Q23 | The volume per unit mass of a liquid is called specific volume.
Q24 | The flow at critical depth in an open channel is called torrential flow.
Q25 | The reciprocal of Euler's number is called Newton number.
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